Square circular picture changing structure
By using a square cyclic image-changing structure, and utilizing a rotating shaft and toothed wheels to drive the image carrier plate, the problem of material waste caused by the diffusion arrangement of circular center points is solved, achieving greater material utilization and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
In existing projection sheet technology, the circular center point diffusion arrangement results in wasted space near the center area, and the product size is relatively large, making it difficult to make efficient use of materials.
The design employs a square circulating image changing structure, using a rotating shaft and toothed wheels to drive the image carrier plate to move in the dovetail guide groove, thus arranging the images along a fixed track. Combined with the design of the square carrier plate and film projection card, it saves on material usage.
It achieves greater material utilization, reduces costs, facilitates image positioning, saves film size, and reduces assembly costs.
Smart Images
Figure CN224035754U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a projection field, specifically a square circulating picture changing structure. BACKGROUND
[0002] The existing projection technology is arranged around the center point, and when a plurality of pictures need to be arranged, the pictures need to be arranged far from the center point to have enough space, which results in waste of a large area close to the center and requires a larger product size. Therefore, the square circulating picture changing structure is provided to solve the problems in the background. SUMMARY
[0003] The utility model discloses a square circulating picture changing structure to solve the problems in the background.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A square circulating picture changing structure includes a slide plate, a plurality of through holes are arranged on the slide plate at equal intervals, a film projection card is installed inside the through hole, a picture carrying plate is arranged on the periphery of the slide plate to carry the slide plate, a plurality of fixed columns are fixedly connected to the top of the picture carrying plate, a long strip-shaped sliding groove is arranged on one side of the fixed column of the picture carrying plate, a rotating shaft is rotatably connected to the inside of the sliding groove, and a toothed wheel is connected to the rotating shaft through a key.
[0006] As a further scheme of the utility model, a clamping groove is arranged on the picture carrying plate, and an installation through hole is arranged at the end of the clamping groove.
[0007] As a further scheme of the utility model, a dovetail sliding block is integrally formed below the picture carrying plate, and a picture changing sliding plate is arranged below the picture carrying plate, a dovetail guide groove is arranged on the top of the picture changing sliding plate to slidably cooperate with the dovetail sliding block.
[0008] As a further scheme of the utility model, a picture changing base plate is arranged below the picture changing sliding plate, a slide rod is fixedly connected to the top of the picture changing base plate, the picture changing sliding plate is arranged on the periphery of the slide rod, and the picture changing sliding plate and the slide rod are slidably connected.
[0009] As a further scheme of the utility model, a stirring handle is fixedly connected to the other end of the rotating shaft.
[0010] Compared with the prior art, the utility model has the advantages of:
[0011] 1. The utility model discloses a rotating shaft can drive the gear wheel rotation, gear wheel and fixed post meshing, can drive the image carrier plate motion under the guiding of dovetail guide slot on the picture changing slide plate, realize the picture changing operation, set up the slide film of prior art around the center point of circle diffusion arrangement into square structure, change the circular rotation into the motion according to fixed track, the image can be square also can be other shape track arrangement, thereby realize greater material utilization.
[0012] 2. The utility model discloses square carrier plate, can obviously save the material use of slide film, thereby reduce the cost, the film projection card design into square, relative to circular better positioning, the user can be positioned to initial image conveniently when using, because saved the film size, needed two pieces even multiple pieces splicing before, now can use a piece to solve, save the assembly cost. DRAWINGS
[0013] Fig. 1 It is the structural schematic diagram of the utility model;
[0014] Fig. 2 It is the partial section view of the combination part of picture changing slide plate, rotating shaft and image carrier plate in the utility model.
[0015] In the drawing: 1, picture changing base plate;101, slide bar;2, picture changing slide plate;201, dovetail guide slot;3, image carrier plate;301, dovetail sliding block;302, fixed column;303, sliding slot;304, clamping groove;305, mounting via;4, rotating shaft;5, gear wheel;6, stirring handle;7, carrier plate;701, via;702, film projection card. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0017] Please refer to Figs. 1-2The utility model discloses a square circulating picture changing structure, including the slide plate 7, the slide plate 7 is set up with multiple rows of via holes 701 at equal intervals, the slide plate 7 is installed with the film projection card 702 in the inside of via hole 701, the slide plate 7 periphery is provided with the image carrier plate 3 for bearing the installation slide plate 7, the image carrier plate 3 top is fixedly connected with a plurality of fixed column 302, the image carrier plate 3 top is set up with the long strip sliding slot 303 on fixed column 302 one side, the sliding slot 303 inside is provided with the rotation axis 4 of rotating connection with the image carrier plate 3, the rotation axis 4 is connected with the gear wheel 5 of engagement with fixed column 302 through the key, and the rotation axis 4 other end is fixedly connected with the stirrer 6.
[0018] In the embodiment, the image carrier plate 3 is integrally formed with a dovetail sliding block 301 below, and the image carrier plate 3 is provided with a picture changing slide plate 2 below, the picture changing slide plate 2 is provided with a dovetail guide groove 201 above which is in sliding cooperation with the dovetail sliding block 301, and the slide plate 7 can also be square or other matching shapes.
[0019] By adopting the above technical scheme, the rotation axis 4 can be rotated to drive the gear wheel 5 to rotate, the gear wheel 5 is engaged with the fixed column 302, the image carrier plate 3 can be driven to move on the picture changing slide plate 2 under the guidance of the dovetail guide groove 201, the picture changing operation is realized, the projection film arranged around the center point of the circle in the prior art is set as a square structure, the circular rotation is changed into movement along a fixed track, the image can be arranged in a square or other shapes, so that the material utilization rate is higher.
[0020] The image carrier plate 3 is provided with a clamping groove 304 above the slide plate 7, and the image carrier plate 3 is provided with a mounting via hole 305 at the end of the clamping groove 304, so that the installation and replacement of the slide plate 7 are facilitated.
[0021] The picture changing slide plate 2 is provided with a picture changing base plate 1 below, the picture changing base plate 1 is fixedly connected with a sliding rod 101 above, the picture changing slide plate 2 is arranged on the periphery of the sliding rod 101 and is in sliding connection with the sliding rod 101.
[0022] By adopting the above technical scheme, the sliding rod 101 can provide guidance for the picture changing slide plate 2, the picture changing slide plate 2 moves along the sliding rod 101, and different rows of projection can be ensured, the rows are switched and connected in sequence, and the circulating picture changing operation is realized.
[0023] In the embodiment, the square slide plate 7 can obviously save the material use of the projection film, so that the cost is reduced, the film projection card 702 is designed as a square, the positioning is better relative to a circle, the user can conveniently position to the initial image during use, the film size is saved, two or more pieces of film that need to be spliced before are now solved by one piece, and the assembly cost is saved.
[0024] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A square cycle change structure comprising a slide plate (7), characterized in that: The slide plate (7) is provided with multiple rows of through holes (701) at equal intervals, a film projection card (702) is mounted inside the through holes (701) on the slide plate (7), an image carrying plate (3) is arranged on the periphery of the slide plate (7) for carrying the slide plate (7), multiple fixed columns (302) are fixedly connected above the image carrying plate (3), a long strip-shaped sliding groove (303) is arranged on one side of the fixed column (302) on the image carrying plate (3), a rotating shaft (4) is rotatably connected inside the sliding groove (303), and a toothed wheel (5) engaged with the fixed column (302) is connected to the rotating shaft (4) through a key.
2. A square cyclic interchanging structure according to claim 1, wherein: A clamping groove (304) is arranged on the image carrying plate (3) at the position of the slide plate (7), and a mounting through hole (305) is arranged at the end of the clamping groove (304) on the image carrying plate (3).
3. A square recirculating block according to claim 2, wherein: A dovetail sliding block (301) is integrally formed below the image carrying plate (3), a picture changing sliding plate (2) is arranged below the image carrying plate (3), and a dovetail guide groove (201) is arranged on the picture changing sliding plate (2) and is in sliding cooperation with the dovetail sliding block (301).
4. A square recirculating block structure according to claim 3, wherein: A picture changing base plate (1) is arranged below the picture changing sliding plate (2), a sliding rod (101) is fixedly connected above the picture changing base plate (1), and the picture changing sliding plate (2) is arranged on the periphery of the sliding rod (101) and is in sliding connection with the sliding rod (101).
5. A square recirculating block structure according to claim 1, wherein: A stirring handle (6) is fixedly connected to the other end of the rotating shaft (4).